<div>
    <div>
        <div class="panel panel-default m-n">
            <div class="panel-heading font-bold">描述</div>
            <form class="ng-valid form-horizontal" name="form" ng-submit="submit(form)">
                    <div class="panel-body">
                        <div class="form-group">
                            <label class="col-sm-3 control-label">请填写原因</label>
                            <div class="col-sm-8">
                                <textarea class="form-control" rows="10" ng-model="content" ng-trim="true" required/>
                            </div>
                        </div>
                    </div>
                    <div class="panel-footer text-right">
                        <div>
                            <button type="submit" class="btn m-b-xs w-xs btn-info">提交</button>
                            <button class="btn m-b-xs w-xs btn-default" ng-click="cancel()">关闭</button>
                        </div>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>